Speaker enclosure



FIG. 1 is a top, front and left side perspective view of a speakerenclosure showing our new design;

FIG. 2 is a front elevational view thereof, the rear and right sidebeing identical;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

The ornamental design for a speaker enclosure, as shown and described.